Heating mold for producing zirconia corundum bricks

Abstract

The invention relates to the technical field of dies, in particular to a heating die for zirconia corundum brick production, which comprises a base, a lower die holder and an upper die holder, the lower die holder is mounted at the upper end of the base, the upper die holder is mounted at the upper end of the lower die holder, and a plurality of die core frames are detachably mounted at the middle upper end in the lower die holder. The lower end of the upper die base is fixedly connected with a pressing plate which is matched with the die core frames and can produce zirconia corundum bricks, a bottom plate is installed at the lower end of the interior of each die core frame, an ejection mechanism capable of ejecting each bottom plate is installed at the upper end of the base, and heating assemblies are installed on the four faces of the interior of the lower die base. The mold core frame is convenient to mount and dismount, so that the mold core frame is convenient to maintain and replace regularly, and the practicability of the mold is effectively improved; through the ingenious design of the ejection mechanism, the bottom plate can be ejected as required, so that the zirconia corundum brick can be conveniently separated from the mold, the labor intensity is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of molds, and in particular relates to a heating mold for producing zirconium corundum bricks. Background Art

[0002] Zirconia corundum bricks, as a high-performance refractory material, are widely used in metallurgy, ceramics, glass and other industries. In the production process of zirconium corundum bricks, the design and manufacture of molds have an important impact on product quality and production efficiency.

[0003] Traditional zirconium corundum brick production molds often use straight holes as heating channels during heating. Although this allows heating, the heat conduction area is small. Furthermore, existing molds also have problems such as difficulty in demolding and low production efficiency. These issues limit the large-scale production and application of zirconium corundum bricks. Therefore, overcoming these technical problems and defects has become a key issue that needs to be addressed. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects of the background technology that straight holes are often processed on the mold as heating channels. Although heating can be achieved, the heat conduction area is small, and the existing molds also have problems such as difficulty in demolding and low production efficiency. These problems limit the large-scale production and application of zircon corundum bricks, thereby realizing a heating mold for the production of zircon corundum bricks.

[0005] In order to achieve the above-mentioned purpose of the invention, the technical solution of the present invention is: a heating mold for the production of zirconium corundum bricks, comprising a base, a lower mold base and an upper mold base, the upper end of the base is installed with the lower mold base, and the upper end of the lower mold base is installed with the upper mold base, which is characterized in that: a plurality of core frames are detachably installed at the upper middle end of the interior of the lower mold base, the lower end of the upper mold base is fixedly connected with a pressing plate that cooperates with the core frame to produce zirconium corundum bricks, the lower end of the interior of each core frame is installed with a bottom plate, the upper end of the base is installed with an ejection mechanism that can lift each bottom plate, and heating components are installed on all four sides of the interior of the lower mold base.

[0006] In the above-mentioned heating mold for producing zirconium corundum bricks, guide holes are opened at the four corners of the upper end of the lower mold base, and guide rods adapted to the guide holes are fixedly connected to the four corners of the lower end of the upper mold base.

[0007] In the above-mentioned heating mold for producing zirconium corundum bricks, both ends of each core frame are fixedly connected with nuts, and both sides of the lower mold base are threadedly connected with screws threadedly connected to the nuts through threaded holes.

[0008] In the above-mentioned heating mold for producing zirconium corundum bricks, the ejection mechanism includes a threaded rod and a threaded barrel. The upper end of the base is rotatably connected to a plurality of threaded rods, and the threaded rods are driven by a linkage mechanism. A threaded barrel is threadedly connected to each threaded rod, and the upper end of the threaded barrel passes through the lower mold base and extends to the inside of the lower mold base, which is used to lift the base plate.

[0009] In the above-mentioned heating mold for producing zirconium corundum bricks, there are four core frames and four threaded rods, and the linkage mechanism includes a large gear, an intermediate gear, a driving gear, a driving gear and a first motor. The first motor is installed on the base, and the output shaft of the first motor is fixedly connected to the driving gear. The base is rotatably connected to a large gear that meshes with the driving gear, and the base is rotatably connected to two intermediate gears that are both meshed with the large gear. Each of the intermediate gears is meshed with two driving gears. The driving gears are all installed on corresponding threaded rods to drive the threaded rods.

[0010] In the above-mentioned heating mold for producing zirconium corundum bricks, the heating assembly includes a serpentine heat pipe and heat transfer fins. The serpentine heat pipe is installed on the four internal sides of the lower mold base. Both ends of each serpentine heat pipe extend to the outside of the lower mold base, and each serpentine heat pipe is installed with several heat transfer fins.

[0011] In the above-mentioned heating mold for producing zirconium corundum bricks, a heating plate is installed inside the pressing plate.

[0012] In the above-mentioned heating mold for producing zirconium corundum bricks, both sides of each core frame are connected with injection pipes, and each injection pipe is connected with a corresponding injection port on the lower mold base.

[0013] In the above-mentioned heating mold for producing zirconium corundum bricks, a high-temperature resistant sealing ring is installed at the contact point between each base plate and the core frame.

[0014] In the above-mentioned heating mold for producing zirconium corundum bricks, a lifting mechanism that can move the upper mold base up and down is symmetrically installed on both sides of the upper end of the base, and the lifting mechanism includes a mounting frame, a driving motor, a lead screw, a threaded slider, a guide rail and a sliding seat. The mounting frame is fixedly connected to the base, and a driving motor is installed on the upper end of each mounting frame. The output shaft of the driving motor is fixedly connected to the lead screw, and the end of the lead screw away from the driving motor is rotatably connected to the lower end of the mounting frame. A threaded slider is threaded on the lead screw, and the thread slide is fixedly connected to the upper mold base. The guide rails are symmetrically fixedly connected on both sides of the mounting frame, and sliding seats adapted to the guide rails are fixedly connected on both sides of the threaded slider.

[0015] Compared with the prior art, the heating mold for producing zirconium corundum bricks of the present invention has at least the following beneficial effects: 1. The heating mold for producing zirconium corundum bricks of the present invention has a detachable core frame, which facilitates installation and removal of the core frame, and further facilitates regular maintenance and replacement of the core frame, effectively improving the practicality of the mold.

[0016] 2. The heating mold for producing zirconium corundum bricks of the present invention has an ingeniously designed ejection mechanism, which allows the bottom plate to be lifted as needed, thereby conveniently removing the zirconium corundum bricks from the mold, reducing labor intensity and improving production efficiency.

[0017] 3. The heating mold for zirconium corundum brick production of the present invention, through the ingenious design of the heating assembly, heats the interior of the mold, thereby helping to form stronger grain boundaries during the sintering process, thereby improving the strength and hardness of the product. It also ensures closer contact between raw material particles, facilitating material diffusion and migration, and accelerating the sintering process, which helps to form a dense and uniform brick structure and improve the physical properties and chemical stability of the zirconium corundum brick. The serpentine design of the heat pipe increases the coverage area and path length within the lower mold base, allowing heat to be more fully transferred to various parts within the lower mold base, improving heat conduction efficiency. The coordinated design of the heat transfer fins effectively increases the heat transfer area, further enhancing heat conduction efficiency.

[0018] 4. The heating mold for producing zirconium corundum bricks of the present invention realizes the automatic operation of the mold through the setting of the lifting mechanism, reduces manual intervention, and improves production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a partial explosion structure of a heating mold for producing zirconium corundum bricks of the present invention; Figure 2 This is a schematic structural diagram of a heating mold for producing zirconium corundum bricks of the present invention; Figure 3 This is a schematic diagram of the internal structure of the lower die base of the heating die for producing zirconium corundum bricks of the present invention; Figure 4 It is a partial cross-sectional structural schematic diagram of the upper die base of the heating die for producing zirconium corundum bricks of the present invention; Figure 5 This is a structural diagram of the core frame, bottom plate, screw and nut of the heating mold for producing zirconium corundum bricks of the present invention; Figure 6 This is a schematic diagram of the partial internal structure of the lower die base of the heating die for producing zirconium corundum bricks of the present invention; Figure 7 This is a side structural diagram of the lower die base of the heating die for producing zirconium corundum bricks of the present invention; Figure 8 yes Figure 7A local enlarged view of point A in FIG; Figure 9 The present invention is a schematic diagram of the bottom structure of the lower die seat and the base of the heating die for producing zirconium corundum bricks.

[0020] In the figure: 1. Base; 2. Lower die base; 201. Guide hole; 3. Upper die base; 301. Guide rod; 302. Press plate; 4. Core frame; 5. Bottom plate; 6. Ejection mechanism; 601. Threaded rod; 602. Threaded barrel; 7. Heating assembly; 701. Serpentine heat pipe; 702. Heat transfer fin; 8. Lifting mechanism; 801. Mounting frame; 802. Drive motor; 803. Lead screw; 804. Threaded slider; 805. Guide rail; 806. Sliding seat; 9. Injection port; 901. Injection pipe; 10. Screw; 1001. Nut; 11. Heating plate; 12. Linkage mechanism; 1201. Large gear; 1202. Intermediate gear; 1203. Driving gear; 1204. Active gear; 1205. First motor. DETAILED DESCRIPTION

[0021] The following is a more detailed description of the heating mold for producing zirconium corundum bricks of the present invention with reference to the accompanying drawings and through specific embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0023] Example 1: This embodiment discloses a heating mold for producing zirconium corundum bricks. The core frame 4 is detachable, which facilitates the installation and removal of the core frame 4, and further facilitates the regular maintenance and replacement of the core frame 4, effectively improving the practicality of the mold. Figures 1-9, which mainly includes a base 1, a lower die base 2 and an upper die base 3. The lower die base 2 is installed on the upper end of the base 1, and the upper die base 3 is installed on the upper end of the lower die base 2. It is characterized in that: a plurality of core frames 4 are detachably installed at the upper middle end of the lower die base 2, and a pressing plate 302 is fixedly connected to the lower end of the upper die base 3 to cooperate with the core frame 4 to produce zirconium corundum bricks. A bottom plate 5 is installed at the lower end of each core frame 4, and an ejection mechanism 6 that can lift each bottom plate 5 is installed at the upper end of the base 1. Heating components 7 are installed on all four sides of the lower die base 2; through the ingenious design of the ejection mechanism 6, it can The bottom plate 5 can be lifted up as needed, and the zirconium corundum brick can be easily removed from the mold, which reduces labor intensity and improves production efficiency. The ingenious design of the heating component 7 can heat the inside of the mold, which helps the zirconium corundum brick to form stronger grain boundary bonding during the sintering process, thereby improving the strength and hardness of the product. Heating can also make the contact between the raw material particles closer, which is beneficial to the diffusion and migration of substances and promotes the sintering process, which helps to form a dense and uniform brick structure and improve the physical properties and chemical stability of the zirconium corundum brick.

[0024] In this embodiment, referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The four corners of the upper end of the lower mold base 2 are provided with guide holes 201, and the four corners of the lower end of the upper mold base 3 are fixedly connected with guide rods 301 that are compatible with the guide holes 201; through the coordinated design of the guide holes 201 and the guide rods 301, the lower mold base 2 can be guided, thereby ensuring the accuracy of the mold closing process.

[0025] In this embodiment, referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 5 , each core frame 4 is fixedly connected with a nut 1001 at both ends, and both sides of the lower mold base 2 are threadedly connected with a screw 10 threadedly connected to the nut 1001 through a threaded hole; in actual use, when the core frame 4 needs to be disassembled and replaced, the screw 10 is twisted until the screw 10 is moved out of the nut 1001. At this time, the core frame 4 can be moved out, the core frame 4 is disassembled, and the replaced core frame 4 is placed in the lower mold base 2, the nut 1001 on the core frame 4 is aligned with the screw 10, and the screw 10 is twisted until the screw 10 is threadedly connected to the nut 1001. The replacement of the core frame 4 is completed, which is convenient and quick.

[0026] In this embodiment, referring to Figure 1 、 Figure 2 、 Figure 7 、 Figure 8 and Figure 9The ejection mechanism 6 includes a threaded rod 601 and a threaded barrel 602. The upper end of the base 1 is rotatably connected to a plurality of threaded rods 601, and the threaded rods 601 are driven by a linkage mechanism 12. A threaded barrel 602 is threadedly connected to each threaded rod 601, and the upper end of the threaded barrel 602 passes through the lower die base 2 and extends to the inside of the lower die base 2, which is used to lift the bottom plate 5; in specific use, after the zirconium corundum brick is formed, the threaded rod 601 is rotated by the linkage mechanism 12, and the threaded barrel 602 can be made to rise through the cooperation of the threaded rod 601 and the threaded barrel 602, thereby lifting the bottom plate 5, and then conveniently removing the zirconium corundum brick from the mold, reducing labor intensity and improving production efficiency.

[0027] In this embodiment, referring to Figure 1 、 Figure 3 、 Figure 7 、 Figure 8 and Figure 9 , the core frame 4 and the threaded rod 601 are four, the linkage mechanism 12 includes a large gear 1201, an intermediate gear 1202, a driving gear 1203, a driving gear 1204 and a first motor 1205, the first motor 1205 is mounted on the base 1, the output shaft of the first motor 1205 is fixedly connected to the driving gear 1204, the base 1 is rotatably connected to a large gear 1201 meshing with the driving gear 1204, the base 1 is rotatably connected to two intermediate gears 1202 both meshing with the large gear 1201, each intermediate gear 1202 is meshed with two driving gears The movable gear 1203 and the driving gear 1203 are both installed on the corresponding threaded rod 601 to drive the threaded rod 601. During specific use, the first motor 1205 is started, and the first motor 1205 drives the active gear 1204 to rotate. The active gear 1204 is engaged with the large gear 1201 to rotate the large gear 1201, and the large gear 1201 is engaged with the intermediate gear 1202 to rotate the intermediate gear 1202, and the intermediate gear 1202 is engaged with the driving gear 1203 to rotate the driving gear 1203, thereby rotating the threaded rod 601.

[0028] In this embodiment, referring to Figure 1 、 Figure 3 、 Figure 6 and Figure 7The heating assembly 7 includes a serpentine heat pipe 701 and heat transfer fins 702. The serpentine heat pipe 701 is installed on the four inner sides of the lower mold base 2. Both ends of each serpentine heat pipe 701 extend to the outside of the lower mold base 2. Each serpentine heat pipe 701 is installed with a number of heat transfer fins 702. Both ends of the serpentine heat pipe 701 are connected to the external oil storage tank, and the oil storage tank is connected to an oil pump (the oil storage tank and the oil pump are not shown in the figure. The oil storage tank stores hot oil, and the oil pump is used to transfer the stored oil to the oil tank). The oil in the oil tank is pumped into the serpentine heat pipe 701 and then circulates through the serpentine heat pipe 701. Since it is an existing equipment, it will not be described in detail. The serpentine design of the serpentine heat pipe 701 increases the coverage area and path length inside the lower mold base 2, so that heat can be more fully transferred to various parts within the lower mold base 2, thereby improving the heat conduction efficiency. The coordinated design of the heat transfer fins 702 effectively increases the heat transfer area, further improving the heat conduction efficiency.

[0029] Example 2: The same points as the above embodiment will not be described in detail, but the differences are as follows: This embodiment discloses a heating mold for producing zirconium corundum bricks, referring to Figure 4 , which mainly includes a heating plate 11 installed inside the pressing plate 302; through the setting of the heating plate 11, the inside of the mold can be further heated, which can further help the zirconium corundum bricks form stronger grain boundary bonding during the sintering process, thereby improving the strength and hardness of the product.

[0030] Example 3: The same points as the above embodiment will not be described in detail, but the differences are as follows: This embodiment discloses a heating mold for producing zirconium corundum bricks, referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 and Figure 6 It mainly includes injection tubes 901 on both sides of each core frame 4, and each injection tube 901 is connected to the corresponding injection port 9 on the lower mold base 2; through the coordinated design of the injection tube 901 and the injection port 9, it is convenient to inject material into the core frame 4.

[0031] Example 4: The same points as the above embodiment will not be described in detail, but the differences are as follows: This embodiment discloses a heating mold for producing zirconium corundum bricks, which mainly includes a high-temperature resistant sealing ring installed at the contact point between each base plate 5 and the core frame 4; the provision of the high-temperature resistant sealing ring effectively prevents leakage of raw materials during the sintering process, thereby improving the product yield and the service life of the mold.

[0032] Embodiment 5: The same points as the above embodiment will not be described in detail, but the differences are as follows: This embodiment discloses a heating mold for producing zirconium corundum bricks. By setting the lifting mechanism 8, the automatic operation of the mold is realized, which reduces manual intervention and improves production efficiency and product quality. Figure 2 , which mainly includes a lifting mechanism 8 symmetrically installed on both sides of the upper end of the base 1 for moving the upper mold base 3 up and down, the lifting mechanism 8 includes a mounting frame 801, a drive motor 802, a lead screw 803, a threaded slider 804, a guide rail 805 and a sliding seat 806, the mounting frame 801 is fixedly connected to the base 1, the upper end of each mounting frame 801 is installed with a drive motor 802, the output shaft of the drive motor 802 is fixedly connected to the lead screw 803, the end of the lead screw 803 away from the drive motor 802 is rotatably connected to the lower end of the mounting frame 801, and the lead screw 803 is threadedly connected to the lower end of the mounting frame There is a threaded slider 804, which is fixedly connected to the upper mold base 3. The guide rails 805 are symmetrically fixedly connected to the two sides of the mounting frame 801, and the sliding seats 806 that are compatible with the guide rails 805 are fixedly connected to the two sides of the threaded slider 804. During specific use, the drive motor 802 is started, and the drive motor 802 drives the lead screw 803 to rotate, and the lead screw 803 drives the threaded slider 804 to rotate. However, under the limit of the guide rail 805 and the sliding seat 806, the threaded slider 804 moves up and down, and then the height of the upper mold base 3 can be adjusted, which facilitates mold closing and opening.

[0033] The working principle of the heating mold for producing zirconium corundum bricks of the present invention is as follows: when producing zirconium corundum bricks, the raw materials for zirconium corundum brick production are injected into the injection pipe 901 through the injection port 9, and then enter the core frame 4. When the injection is completed, the injection port 9 is closed, and the drive motor 802 is started. The drive motor 802 drives the lead screw 803 to rotate, and the lead screw 803 drives the threaded slider 804 to rotate. However, under the limitation of the guide rail 805 and the sliding seat 806, the threaded slider 804 moves downward, thereby driving the upper mold base 3 to move downward, so that the pressure plate 302 on the upper mold base 3 is pressed on the core frame 4; through the cooperation of the serpentine heat pipe 701 and the heat transfer fins 702, the interior of the lower mold base 2 can be heated, thereby accelerating the raw material molding speed; after the zirconium corundum bricks are formed, the drive motor 80 is controlled to rotate. 2. Make the lead screw 803 rotate in the opposite direction, repeat the above steps, make the threaded slider 804 move upward, make the threaded slider 804 drive the upper die base 3 to move upward, until the pressure plate 302 of the upper die base 3 moves out of the lower die base 2, then start the first motor 1205, the first motor 1205 drives the driving gear 1204 to rotate, the driving gear 1204 is engaged with the large gear 1201, so that the intermediate gear 1202 rotates, the intermediate gear 1202 is engaged with the driving gear 1203, so that the driving gear 1203 rotates, the driving gear 1203 drives the threaded rod 601 to rotate, the threaded rod 601 cooperates with the threaded barrel 602, so that the threaded barrel 602 moves upward, lifts up and down the bottom plate 5, and then conveniently removes the zirconium corundum brick from the mold, reduces labor intensity, and improves production efficiency.

[0034] It should be noted that the structures depicted in the drawings herein are not fixed, unchangeable implementations of the present invention in practice. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Furthermore, the drawings in this specification and the abstract are schematic only and do not represent the specific structure or actual quantities of the components in practice.

[0035] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by persons of ordinary skill in the field to which the invention belongs. The use of "one" or "an" and other similar words in the specification and claims of this application does not necessarily indicate a quantitative limitation. "Include" or "comprising" and other similar words mean that the elements or parts preceding the word include the elements or parts listed after the word and their equivalents, without excluding other elements or parts. "Connect" or "connected" and other similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0036] The exemplary embodiments of the present invention are described in detail above with reference to preferred embodiments. However, it will be understood by those skilled in the art that, without departing from the concept of the present invention, various variations and modifications may be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the present invention may be made without exceeding the scope of protection of the present invention.

Claims

1. A heating mold for producing zirconium corundum bricks, comprising a base (1), a lower mold base (2) and an upper mold base (3), wherein the lower mold base (2) is mounted on the upper end of the base (1), and the upper mold base (3) is mounted on the upper end of the lower mold base (2), characterized in that: Several core mold frames (4) are detachably mounted on the upper middle end of the lower mold base (2); The lower end of the upper mold base (3) is fixedly connected to a pressing plate (302) that cooperates with the mold core frame (4) to produce zirconium corundum bricks, and the lower end of each mold core frame (4) is installed with a bottom plate (5); An ejection mechanism (6) capable of lifting each bottom plate (5) is installed at the upper end of the base (1), and heating components (7) are installed on all four inner sides of the lower mold base (2).

2. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: The four corners of the upper end of the lower die base (2) are provided with guide holes (201), and the four corners of the lower end of the upper die base (3) are fixedly connected with guide rods (301) adapted to the guide holes (201).

3. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: Both ends of each core mold frame (4) are fixedly connected to a nut (1001), and both sides of the lower mold base (2) are threadedly connected to a screw rod (10) threadedly connected to the nut (1001) through a threaded hole.

4. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: The ejection mechanism (6) comprises a threaded rod (601) and a threaded barrel (602); The upper end of the base (1) is rotatably connected to a plurality of threaded rods (601), which are driven by a linkage mechanism (12). A threaded barrel (602) is threadedly connected to each of the threaded rods (601), and the upper end of the threaded barrel (602) passes through the lower die base (2) and extends into the interior of the lower die base (2) for lifting the bottom plate (5).

5. The heating mold for producing zirconium corundum bricks according to claim 4, characterized in that: There are four of each of the core frame (4) and the threaded rod (601), and the linkage mechanism (12) includes a large gear (1201), an intermediate gear (1202), a driving gear (1203), a driving gear (1204), and a first motor (1205); The first motor (1205) is mounted on the base (1); the output shaft of the first motor (1205) is fixedly connected to a driving gear (1204); a large gear (1201) meshing with the driving gear (1204) is rotatably connected to the base (1); two intermediate gears (1202) meshing with the large gear (1201) are rotatably connected to the base (1); each intermediate gear (1202) is meshed with two driving gears (1203); the driving gears (1203) are mounted on corresponding threaded rods (601) to drive the threaded rods (601).

6. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: The heating assembly (7) comprises a serpentine heat conducting pipe (701) and heat transfer fins (702), wherein the serpentine heat conducting pipe (701) is mounted on four inner surfaces of the lower mold base (2), both ends of each serpentine heat conducting pipe (701) extend to the outside of the lower mold base (2), and each serpentine heat conducting pipe (701) is mounted with a plurality of heat transfer fins (702).

7. The heating mold for producing zirconium corundum bricks according to claim 6, characterized in that: A heating plate (11) is installed inside the pressing plate (302).

8. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: Both sides of each core frame (4) are connected to injection pipes (901), and each injection pipe (901) is connected to a corresponding injection port (9) on the lower mold base (2).

9. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: A high-temperature resistant sealing ring is installed at the contact point between each base plate (5) and the core mold frame (4).

10. The heating mold for producing zirconium corundum bricks according to claim 1, characterized in that: A lifting mechanism (8) capable of moving the upper die base (3) up and down is symmetrically mounted on both sides of the upper end of the base (1), the lifting mechanism (8) comprising a mounting frame (801), a drive motor (802), a lead screw (803), a threaded slider (804), a guide rail (805) and a sliding seat (806); The mounting frame (801) is fixedly connected to the base (1), and a driving motor (802) is installed on the upper end of each mounting frame (801), and the output shaft of the driving motor (802) is fixedly connected to a lead screw (803), and one end of the lead screw (803) away from the driving motor (802) is rotatably connected to the lower end of the mounting frame (801), and a threaded slider (804) is threadedly connected to the lead screw (803), and the threaded slider is fixedly connected to the upper mold base (3), and guide rails (805) are symmetrically fixedly connected on both sides of the mounting frame (801), and sliding seats (806) adapted to the guide rails (805) are fixedly connected on both sides of the threaded slider (804).

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